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Cheap flights from Alicante to London Heathrow Airport from £43

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
ALC — LHR
26 Apr — 3 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Alicante to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Alicante to Heathrow
Explore the most affordable flight options available from Alicante to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 March 2026.

Mon 13/423:50
ALC
-
LHR
1 stop10h 20m
Vueling
Wed 22/409:55
LHR
-
ALC
2 stops9h 00m
Vueling
Deal found 25/3£114
Mon 13/423:50
ALC
-
LHR
1 stop10h 20m
Multiple Airlines
Tue 21/415:30
LHR
-
ALC
1 stop5h 40m
Multiple Airlines
Deal found 24/3£115
Wed 6/523:00
ALC
-
LHR
1 stop11h 10m
Vueling
Sat 9/520:50
LHR
-
ALC
1 stop10h 35m
Vueling
Deal found 24/3£115
Fri 8/521:00
ALC
-
LHR
1 stop18h 45m
Vueling
Fri 15/515:00
LHR
-
ALC
1 stop16h 40m
Vueling
Deal found 24/3£119
Thu 7/521:10
ALC
-
LHR
1 stop18h 35m
Vueling
Sat 9/515:30
LHR
-
ALC
1 stop17h 15m
Vueling
Deal found 24/3£120
Thu 16/423:00
ALC
-
LHR
1 stop11h 10m
Vueling
Wed 22/409:55
LHR
-
ALC
1 stop6h 05m
Vueling
Deal found 25/3£121
Tue 10/1107:35
ALC
-
LHR
1 stop8h 10m
Vueling
Thu 19/1118:50
LHR
-
ALC
1 stop15h 05m
Vueling
Deal found 22/3£127
Tue 5/523:10
ALC
-
LHR
1 stop11h 00m
Vueling
Wed 6/520:50
LHR
-
ALC
1 stop11h 55m
Vueling
Deal found 25/3£129

Find flight deals from Alicante to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Alicante (ALC) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 27 March 2026.

Round-trip from

£114

One-way from

£43

Popular in

September

Cheapest in

January

Average price

£175
Vueling
  • Vueling
  • 13/4-22/4
  • 3 total stops
  • 19h 20m total
  • Alicante to London
Search Deals
Vueling
  • Vueling
  • 6/5
  • 1 total stop
  • 7h 35m total
  • Alicante to London
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£16 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Alicante to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 27 March 2026.
Use the filters below to find and compare flights from Alicante to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

AlicanteLondon

ALC - LHR

ALCLHR

Alicante

Tue 21/4

20:00-07:55

1 stop12h 55m

London Heathrow

Sun 26/4

08:55-19:10

2 stops9h 15m

£184

AlicanteLondon

ALC - LHR

ALCLHR

Alicante

Sat 18/4

17:40-22:10

1 stop5h 30m

London Heathrow

Mon 20/4

19:15-12:50

2 stops16h 35m

£234

AlicanteLondon

ALC - LHR

ALCLHR

Alicante

Wed 23/9

20:00-16:35

2 stops21h 35m

London Heathrow

Wed 30/9

20:05-08:55

1 stop11h 50m

£245

AlicanteLondon

ALC - LHR

ALCLHR

Alicante

Sat 22/8

18:30-09:20

1 stop15h 50m

London Heathrow

Tue 25/8

21:05-12:20

1 stop14h 15m

£246

AlicanteLondon

ALC - LHR

ALCLHR

Alicante

Fri 21/8

18:50-10:20

1 stop16h 30m

London Heathrow

Tue 25/8

19:50-18:05

1 stop21h 15m

£247

AlicanteLondon

ALC - LHR

ALCLHR

Alicante

Mon 11/5

12:35-21:45

1 stop10h 10m

London Heathrow

Mon 18/5

06:55-16:40

2 stops8h 45m

£250

AlicanteLondon

ALC - LHR

ALCLHR

Alicante

Wed 19/8

20:00-13:40

2 stops18h 40m

London Heathrow

Wed 26/8

20:05-08:55

1 stop11h 50m

£254

AlicanteLondon

ALC - LHR

ALCLHR

Alicante

Mon 21/9

10:20-17:35

1 stop8h 15m

London Heathrow

Mon 21/9

20:55-14:30

1 stop16h 35m

£264

AlicanteLondon

ALC - LHR

ALCLHR

Alicante

Tue 23/6

20:00-21:30

2 stops26h 30m

London Heathrow

Tue 30/6

20:05-19:10

1 stop22h 05m

£264

AlicanteLondon

ALC - LHR

ALCLHR

Alicante

Thu 23/4

17:40-08:15

2 stops15h 35m

London Heathrow

Sun 26/4

08:30-17:25

2 stops7h 55m

£267

Flights are sorted by cheapest return flights first.

Deals found on 22/3

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Best time to book a flight from Alicante to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Alicante with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Alicante to London Heathrow Airport

What is the cheapest month to book a flight from Alicante to London Heathrow Airport?

Currently, July is the cheapest month in which you can book a flight from Alicante to London Heathrow Airport (average of £22). Flying from Alicante to London Heathrow Airport in March is currently the most expensive (average of £106). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Alicante to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Alicante to London Heathrow?

    For a flight from Alicante to London Heathrow, you will be flying from Alicante. Alicante (ALC) is just 6.0 mi from the center of the city. Alicante is the only Alicante airport and it handles 0 outbound flights to London Heathrow per day. 0 airlines have flights to London Heathrow from Alicante on a regular basis.

  • How long is the flight from Alicante to London Heathrow Airport?

    Airlines like SWISS and Scandinavian Airlines fly from Alicante to London Heathrow Airport in about 12h 55m. The time it takes to get you to your destination can typically vary by up to 2h 55m. The distance from Alicante to London Heathrow Airport is about 911 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines to fly from Alicante to London Heathrow Airport one-way?

    One-way options have recently been found by users for as low as £62 on Iberia. Other airlines that offer cheap prices include Scandinavian Airlines from £71 and Vueling from £77 one-way.

  • Can I find deals for flights from Alicante to Heathrow that include hotel bookings?

    Yes. In addition to deals on Alicante to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Alicante to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Alicante to Heathrow.

  • Can I find deals for business class flights from Alicante to Heathrow?

    Yes. Cheapflights offers flight deals from Alicante to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Alicante to London Heathrow Airport?

    Currently, July is the cheapest month in which you can book a flight from Alicante to London Heathrow Airport (average of £22). Flying from Alicante to London Heathrow Airport in March is currently the most expensive (average of £106). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Wembley
Croydon
Northampton
Hounslow
Luton
Gatwick
Slough
Ilford
Hayes
Brentford
Colchester
Eastbourne
Guildford
Watford
Kingston upon Thames
Romford
Ipswich
Swindon
Bedford

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How does Cheapflights help users find flights from Alicante to Heathrow?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Alicante to Heathrow. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Alicante to Heathrow?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Alicante to Heathrow for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Alicante to Heathrow with no change fees?

Need flexible booking options for your flight to Heathrow from Alicante? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Alicante to Heathrow become cheaper?

Yes, Cheapflights offers price alerts on Alicante to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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